Refactor Register*ListenerReply classes

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ShardSnapshotCohort.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardSnapshotCohort.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardSnapshotCohort.java
index adf60a0c21441a2bd0e0fde37c2416d1d28c81b0..455c874229f3c1c86fd6c3fcfc5609a6c81a91bb 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardSnapshotCohort.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardSnapshotCohort.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
+ * Copyright (c) 2015, 2017 Brocade Communications Systems, Inc. and others.  All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
@@ -10,7 +10,11 @@ package org.opendaylight.controller.cluster.datastore;
 import akka.actor.ActorContext;
 import akka.actor.ActorRef;
 import com.google.common.base.Preconditions;
+import com.google.common.io.ByteSource;
 import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.OutputStream;
+import java.util.Optional;
 import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
 import org.opendaylight.controller.cluster.access.concepts.FrontendIdentifier;
 import org.opendaylight.controller.cluster.access.concepts.FrontendType;
@@ -18,7 +22,10 @@ import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifie
 import org.opendaylight.controller.cluster.access.concepts.MemberName;
 import org.opendaylight.controller.cluster.datastore.actors.ShardSnapshotActor;
 import org.opendaylight.controller.cluster.datastore.persisted.ShardDataTreeSnapshot;
+import org.opendaylight.controller.cluster.datastore.persisted.ShardSnapshotState;
 import org.opendaylight.controller.cluster.raft.RaftActorSnapshotCohort;
+import org.opendaylight.controller.cluster.raft.persisted.Snapshot;
+import org.opendaylight.controller.cluster.raft.persisted.Snapshot.State;
 import org.slf4j.Logger;
 
 /**
@@ -56,27 +63,29 @@ class ShardSnapshotCohort implements RaftActorSnapshotCohort {
     }
 
     @Override
-    public void createSnapshot(final ActorRef actorRef) {
+    public void createSnapshot(final ActorRef actorRef, final Optional<OutputStream> installSnapshotStream) {
         // Forward the request to the snapshot actor
-        ShardSnapshotActor.requestSnapshot(snapshotActor, store.takeStateSnapshot(), actorRef);
+        final ShardDataTreeSnapshot snapshot = store.takeStateSnapshot();
+        log.debug("{}: requesting serialization of snapshot {}", logId, snapshot);
+
+        ShardSnapshotActor.requestSnapshot(snapshotActor, snapshot, installSnapshotStream, actorRef);
     }
 
     @Override
-    public void applySnapshot(final byte[] snapshotBytes) {
+    @SuppressWarnings("checkstyle:IllegalCatch")
+    public void applySnapshot(final Snapshot.State snapshotState) {
+        if (!(snapshotState instanceof ShardSnapshotState)) {
+            log.debug("{}: applySnapshot ignoring snapshot: {}", snapshotState);
+        }
+
+        final ShardDataTreeSnapshot snapshot = ((ShardSnapshotState)snapshotState).getSnapshot();
+
         // Since this will be done only on Recovery or when this actor is a Follower
         // we can safely commit everything in here. We not need to worry about event notifications
         // as they would have already been disabled on the follower
 
         log.info("{}: Applying snapshot", logId);
 
-        final ShardDataTreeSnapshot snapshot;
-        try {
-            snapshot = ShardDataTreeSnapshot.deserialize(snapshotBytes);
-        } catch (IOException e) {
-            log.error("{}: Failed to deserialize snapshot", logId, e);
-            return;
-        }
-
         try {
             store.applySnapshot(snapshot);
         } catch (Exception e) {
@@ -86,4 +95,11 @@ class ShardSnapshotCohort implements RaftActorSnapshotCohort {
 
         log.info("{}: Done applying snapshot", logId);
     }
+
+    @Override
+    public State deserializeSnapshot(final ByteSource snapshotBytes) throws IOException {
+        try (ObjectInputStream in = new ObjectInputStream(snapshotBytes.openStream())) {
+            return new ShardSnapshotState(ShardDataTreeSnapshot.deserialize(in));
+        }
+    }
 }